628566339 has 8 divisors (see below), whose sum is σ = 838565632. Its totient is φ = 418805640.

The previous prime is 628566331. The next prime is 628566349. The reversal of 628566339 is 933665826.

628566339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 628566339 - 2³ = 628566331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628566331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53407 + ... + 64104.

It is an arithmetic number, because the mean of its divisors is an integer number (104820704).

Almost surely, 2^628566339 is an apocalyptic number.

628566339 is a deficient number, since it is larger than the sum of its proper divisors (209999293).

628566339 is a wasteful number, since it uses less digits than its factorization.

628566339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119297.

The product of its digits is 1399680, while the sum is 48.

The square root of 628566339 is about 25071.2253190784. The cubic root of 628566339 is about 856.6111176532.

The spelling of 628566339 in words is "six hundred twenty-eight million, five hundred sixty-six thousand, three hundred thirty-nine".